1997年8月25~29日在加拿大魁北克省蒙特利尔市举行了第10届国际高压工程会议(International Symposium on High Voltage Engineering,简称ISH),参加者有600多人。会上发表论文510多篇。中国代表有10多人,发表论文有10多篇。这届会议是...1997年8月25~29日在加拿大魁北克省蒙特利尔市举行了第10届国际高压工程会议(International Symposium on High Voltage Engineering,简称ISH),参加者有600多人。会上发表论文510多篇。中国代表有10多人,发表论文有10多篇。这届会议是国际高压工程界的有史以来规模最大的一次盛会,也是一次反映当前高电压技术发展水平和趋势的大检阅。会议期间,我们与其他国家的学者进行了广泛的接触和交流,了解到当前高压—超高压电力系统发展的动向,包括高电压工程的各个领域,如介质电绝缘理论的研究、光学传感器系统在电力系统中的应用、电—磁场计算方法的研究、雷电及防护理论与方法研究、电磁兼容理论的研究、高压测量与试验方法的研究等等。同时,还参观了世界上最著名的电力设备方面的公司,包括ABB Power T&D公司、3M公司等,印象最强的有以下两点。第一,新技术在高电压工程各个领域的应用和研究愈来愈受到重视。展开更多
能源、环境是当今世界所面临的两大严峻问题,经济发展在很大程度上取决于动力供应的规模和可靠性。为更好地利用能源资源保护环境,1998年2月9日~10日在澳大利亚南部McLarens on the lake,MeLaren Vale由阿德雷得大学化工系、华中理工...能源、环境是当今世界所面临的两大严峻问题,经济发展在很大程度上取决于动力供应的规模和可靠性。为更好地利用能源资源保护环境,1998年2月9日~10日在澳大利亚南部McLarens on the lake,MeLaren Vale由阿德雷得大学化工系、华中理工大学煤燃烧国家重点实验室和东南大学热能工程研究所联合举办了国际热能工程与环境学术会议。有68名专家学者参加会议,就煤炭资源利用、生物质燃料燃烧技术、废物处理和环境保护等方面的问题发表了论文42篇。与会代表一致认为:对于能源利用和环境保护,应广泛加强国际合作以解决人类共同关心的问题。展开更多
In this paper, muffle furnace and 4 corners combustion furnace are chosen to heat andburn the coal ash and raw coal. The vartiation of components of mineral matters duringheating is analysised by XRD. It shows that th...In this paper, muffle furnace and 4 corners combustion furnace are chosen to heat andburn the coal ash and raw coal. The vartiation of components of mineral matters duringheating is analysised by XRD. It shows that the behavior of mineral matters in coal ash in 4corners combustion furnace is similar to that in muffle furnace, and the behavior is greatlyrelated to the compositions and amounts of raw coal.展开更多
In this paper,the ash fusion characteristics and mineral behavior of individual coal ash and a series of two-component blendsd ashes are studied.The samples are heated progressively from(IT)at 100?℃intervals in reduc...In this paper,the ash fusion characteristics and mineral behavior of individual coal ash and a series of two-component blendsd ashes are studied.The samples are heated progressively from(IT)at 100?℃intervals in reducing atmosphere.Mineral composition and type at each temperature interval are determined by X-ray diffraction (XRD)analysis.For different coal ashes,the main mineral matter at 800?℃is quartz,anhydrite and hematite,calcite and feldspar.With increasing temperature,oxidation,thermal decomposition,transformation and reaction occur between the components.It can be seen that quartz,anhydrite decrease and anorthite,gehlenite increase.At about 1200?℃,all of mineral diminish and a glass phase is formed.Some combinations of mineral in component coal produce low-melting eutectic composition at a high temperature and this is the main reason causing the non-arithmetic average of softening temperature of blends ash.展开更多
文摘1997年8月25~29日在加拿大魁北克省蒙特利尔市举行了第10届国际高压工程会议(International Symposium on High Voltage Engineering,简称ISH),参加者有600多人。会上发表论文510多篇。中国代表有10多人,发表论文有10多篇。这届会议是国际高压工程界的有史以来规模最大的一次盛会,也是一次反映当前高电压技术发展水平和趋势的大检阅。会议期间,我们与其他国家的学者进行了广泛的接触和交流,了解到当前高压—超高压电力系统发展的动向,包括高电压工程的各个领域,如介质电绝缘理论的研究、光学传感器系统在电力系统中的应用、电—磁场计算方法的研究、雷电及防护理论与方法研究、电磁兼容理论的研究、高压测量与试验方法的研究等等。同时,还参观了世界上最著名的电力设备方面的公司,包括ABB Power T&D公司、3M公司等,印象最强的有以下两点。第一,新技术在高电压工程各个领域的应用和研究愈来愈受到重视。
文摘能源、环境是当今世界所面临的两大严峻问题,经济发展在很大程度上取决于动力供应的规模和可靠性。为更好地利用能源资源保护环境,1998年2月9日~10日在澳大利亚南部McLarens on the lake,MeLaren Vale由阿德雷得大学化工系、华中理工大学煤燃烧国家重点实验室和东南大学热能工程研究所联合举办了国际热能工程与环境学术会议。有68名专家学者参加会议,就煤炭资源利用、生物质燃料燃烧技术、废物处理和环境保护等方面的问题发表了论文42篇。与会代表一致认为:对于能源利用和环境保护,应广泛加强国际合作以解决人类共同关心的问题。
文摘In this paper, muffle furnace and 4 corners combustion furnace are chosen to heat andburn the coal ash and raw coal. The vartiation of components of mineral matters duringheating is analysised by XRD. It shows that the behavior of mineral matters in coal ash in 4corners combustion furnace is similar to that in muffle furnace, and the behavior is greatlyrelated to the compositions and amounts of raw coal.
文摘In this paper,the ash fusion characteristics and mineral behavior of individual coal ash and a series of two-component blendsd ashes are studied.The samples are heated progressively from(IT)at 100?℃intervals in reducing atmosphere.Mineral composition and type at each temperature interval are determined by X-ray diffraction (XRD)analysis.For different coal ashes,the main mineral matter at 800?℃is quartz,anhydrite and hematite,calcite and feldspar.With increasing temperature,oxidation,thermal decomposition,transformation and reaction occur between the components.It can be seen that quartz,anhydrite decrease and anorthite,gehlenite increase.At about 1200?℃,all of mineral diminish and a glass phase is formed.Some combinations of mineral in component coal produce low-melting eutectic composition at a high temperature and this is the main reason causing the non-arithmetic average of softening temperature of blends ash.